Window-ventilator.



J. S. KINKEAD. WINDOW VBNTILATOR. APPLICATION FILED DEU. ze, 1911.

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yPatented Nov. 18, 1913.

vteriere with the a ed to Windows of diiierent Widths without strurtural change either in the 'window or 'the improved derive and which does not insing and lowering ot the sash.

Another ohjeet of the invention is to provide a simply constructed device of this oharaeter which may he folded into a. rela tively small spat-e when notin use.

lilith these and other ohiefils in View. the invention Consists in certain novel features of Construction as hereafter shown and described, and then speeieally' pointed out in the claim. and in the drawings illustra tive of the preferred embodiment of the invennenifignre l is a. perspective View of a portion of a Window including; the easing. stool or sill, and portion oi the lower sash. with the improved device attaehed; Fig. 2 is a transverse section on the line 24.); of Fig.

t'forrespondino1 and like parts are referred to in the following' deseription and indicated in all the views of the drawings by the saine referme@ elniraeters.

The improved deviee may he applied tc- Windows ot various widths and Windows having various forms of eonstrne'tion of the frames and easinps.y and iJn the drawings a portion o? a com. itional"Window is showin the tiranni heine; indieated at. l0. the stool.

atl. the easingy at l1 the inside stop at i3( the parting` stop iii freni the lower sash. at l5. these pars heit/ig el the usual construetion.

The improved device eonnprises a hotly 'formed of two plates lil-wl'? arranged to slide one over 'the oil t preferably lient ohliquely to the plain of the plates at one edge as shown at iwf... @ne oi the plates, for instance the plaie itl? is folded over at Specification of Letters Pa tent.

ation 'lei December 5:3, i913.. Serial No. 6685221.

its lower edge as shown at 2() to form a,

guideway tor the lower edge of the other plate, as for instance the plate l?. By this means the two plates are slidably engaged. and retained in the saine relative position :it :all points of their movement. For the purpose o'l' this description the plate 16 will he referred to as the outer plate and the plato 17 as the inner plate. The inner plate '17 is provided with a housing or guideway 2i, while the outer plate. 1G is provided. with a red 22 connected at one end at 2? to the plate 1G and slidably engaging in the housing' 21. this means the two plates are held in position and prevented from lateral displacement. The olded-o'ver portion Q of the plate 16 is extended to 'form a lip to hear over the edge oi' the stool ll and 'forin a guard to prevent ruin and snow from barking; up 7 over the stool. This is an im portant 'feature of the device and adds inaterialljvv to its ralu and etlieiency.

Formed upon the outer end of the plate 1G are hinge ineinloers with which hinge inemhers 23 on an angular plate 9G engage, the hinge members being; eoi'ineeted hy a pintle rod Q7. 'lhe plate 17 is provided at .its outer end with hinge .neinhers QS having' a pintle .29 and with whieh hinge members on an angular plate 3l engage, the two plates Q5 and :il hein; prerisely alike. The plates 2li-ill are provided "respectively with screwreeeiring apertures 232 each having av latorally redueed extension. The plates 26-31 are designed to hear against the, confronting Fares oil the inside stops with the depending lip 35 nl the plate 16 hearingy over the edge of the stool as heliore stated. Holding screws or pins le are inserted in the traine l() in posit ion to reeeii'e the apertures 32 and thus hold the device in position, and no other 'Fastening means are required. The holding,I ineansilare preferably headed screws or pins, and the apertures are designed t0 pass over the head while the shank of the ,screws er pins will enter the reduced pol1H tions. and thus elieetually leek the device to the window frame. Two ot the apertures will preierahly he employed in each end plate and two serews in eaeh inside stop` to insure the steadiness ot the coupling' between the parts. To remove the deviee, it will be olwious that it will he neeessary simply to elerate the device unt-il the enlarged heads of the screws or pins come opposite the apertures 32, when the plates 2ii-3l may be plates 16-17, and the latter moved inwardly upon the rod 22 to dispose the device in folded position.

lt will thus be obvious that a simply constructed device is produced, which may be readily extended to any desired length within the range of the rod 22 and its housing 21 to adapt the device to windows of varying widths, and then to be collapsed into relatively small spacefwhen not required.

The plates 16-17 may be constructed of any suitable material, but will preferably be of sheet metal, and may be painted, plated, or otherwise protected -or ornamented as required. The plates may be painted or stained to correspond to the window casings and frames, so that they Will not present an objectionable appearance. The plates 16-17 it' will be noted, stand at an outwardly and downwardly inclined position so that any rain or snow which may be driven against the plates will fall downwardly and outwardly over the sill and not enter the room.

The device is simple in construction, can

be produced at a small cost and is strong and durable and easy and convenient to adjust and apply and to remove from the window.

Having thus described the invention, what is claimedy as new is:

In a device of the class described, body members slidably disposed with respect to cach other, said members having their upper edges offset and disposed to overlap whereby the members are guided in their sliding movement, the lower edge of one of the members being turned over to embrace the lower edge of the other member, a housing mounted upon one of said members at its transverse center, a rod connected at one end t-o the other member and slidably en gaging in'said housing, end members hing-- edly connected respectively to said body members, and means for coupling said end members to a window.

In testimony whereof I affix my signature-I in presence of two witnesses.

JOSEPH s. KINKEAD. [L 5.1

Witnses DELLA PICKERING, ED. RODSKINER. 

